172921441

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 231137280

約数和(自身を除く): 58215839

約数列:

[1, 7, 11, 31, 49, 77, 79, 131, 217, 341, 539, 553, 869, 917, 1441, 1519, 2387, 2449, 3871, 4061, 6083, 6419, 10087, 10349, 16709, 17143, 26939, 28427, 42581, 44671, 70609, 72443, 113839, 120001, 188573, 198989, 312697, 320819, 507101, 796873, 1320011, 2188879, 2245733, 3529009, 5578111, 15720131, 24703063, 172921441]

約数ペア:

[(1, 172921441), (7, 24703063), (11, 15720131), (31, 5578111), (49, 3529009), (77, 2245733), (79, 2188879), (131, 1320011), (217, 796873), (341, 507101), (539, 320819), (553, 312697), (869, 198989), (917, 188573), (1441, 120001), (1519, 113839), (2387, 72443), (2449, 70609), (3871, 44671), (4061, 42581), (6083, 28427), (6419, 26939), (10087, 17143), (10349, 16709)]